They say a picture is worth a thousand words — but your Instagram photo could be worth $1,000! We want to see your Autumn hairstyles in our latest Instagram challenge. Snap a picture of your hair, tag it #bellahair, and we'll share our favorite pictures here on the site. Four lucky winners will receive the prize, but here's the real win-win situation. Not only will you be entered to win $1,000 each week, you'll be fighting for a cause. For every Instagram pic tagged #bellahair, BellaSugar will donate $1 to the American Cancer Society on behalf of Pantene Beautiful Lengths. This week's theme is braids, so show us how you plait.